Garmin Striker Plus 4 GPS Fishfinder

This striker 4 with dual-beam transducer is a 3.5" fish finder with built-in, high-sensitivity GPS. It features a chirp (77/200 kHz) sonar transducer and transmit power (200 W RMS), and can be upgraded to a high-performance chirp with a GT8 or GT15 transducer. The price drops from $139.99 to $117.95 w/ free shipping.